CVE-2020-35581 Explained : Impact and Mitigation

A stored cross-site scripting (XSS) vulnerability in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject malicious code via a specific request.

Understanding CVE-2020-35581

This CVE involves a security issue in Envira Gallery Lite that could be exploited by attackers to execute XSS attacks.

What is CVE-2020-35581?

The vulnerability allows malicious actors to insert arbitrary JavaScript/HTML code through a POST request with a specific parameter.

The Impact of CVE-2020-35581

The vulnerability could lead to unauthorized execution of scripts on the victim's browser, potentially compromising sensitive data.

Technical Details of CVE-2020-35581

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The flaw in Envira Gallery Lite before version 1.8.3.3 enables attackers to perform stored XSS attacks via a particular request.

Affected Systems and Versions

Product: Envira Gallery Lite
Vendor: Envira Gallery
Versions affected: All versions before 1.8.3.3

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted POST request to /wp-admin/admin-ajax.php with the meta[title] parameter.

Mitigation and Prevention

Protecting systems from CVE-2020-35581 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Envira Gallery Lite to version 1.8.3.3 or newer to mitigate the vulnerability.
Monitor and filter input data to prevent malicious code injection.

Long-Term Security Practices

Regularly update software and plugins to patch known vulnerabilities.
Educate users and administrators about the risks of XSS attacks and safe coding practices.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.